.content {
    width: 100%;
    height: 95%;
}
.content>.title {
    text-align: center;
    font-size: 20px;
    font-weight: 700;
    margin: 10px ;
}

.content>.date {
    color: green;
    text-align: center;
    margin: 10px ;
}

.content>.detail>p {
    text-indent: 2em;
    font-family: 黑体;
    font-size: 20px;
    line-height: 22px;
    margin: 10px;
}